Please ignore the giant black moving
eclipse-oid ellipsoid sun moving across the sky. By the time that
surfaced, it was too light out to reshoot...

This assignment was an opportunity to manipulate time instead of
space. For a stop-motion movie of a bouncing cube, typically one
would expect to have to move the cube further for the high-velocity
time steps close to the ground, and very little near the peak.
Working in the time domain, it was only necessary to move the cube a
half-inch each shot instead of calculating a parabola. On the other
hand, in the post-processing the images were displayed with durations
from the formula: